Question about Western Digital Hard Drives

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WD Passport appear as an unknown device

When I connect my Western digital external drive (passport WD1200U017) A pop up appear and say "USB Device Not recognized". I am using the original USB cable that came with the hard drive, The bleu light on the side is on. But the computer can not see the hard drive as it used to and it call it unknown device. When I connect it the drive spin normally with no unusual noise. The device was working fine few hours before. The only different thing I did is that I plug it in a usb hub insdead of straight in the usb port of the computer.

Thankyou for your help

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  • Anonymous Dec 31, 2008

    same problem, help

  • Anonymous Jan 09, 2009

    When I connect my Western digital external drive (passport WD1200U017) A pop up appear and say "USB Device Not recognized". I am using the original USB cable that came with the hard drive, The bleu light on the side is on. But the computer can not see the hard drive as it used to and it call it unknown device. When I connect it the drive spin normally with no unusual noise. The device was working fine few hours before. The only different thing I did is that I plug it in a usb hub insdead of straight in the usb port of the computer.


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  • 538 Answers

Try it again, after going to wd dot com, and getting and installing a new set of drivers..

Posted on Oct 13, 2008

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* the USB cable

* the power-adapter

* the disk-drive inside the enclosure

* the USB-to-disk-drive adapter inside the enclosure.

One of these components has failed.

Try a different USB cable.

Try connecting to a different USB port on your computer.

Try connecting to a USB port on a different computer.

Take a "multi-meter" and measure both the voltage and amperage output from the AC adapter, and compare with the specifications on the label on the adapter.

Open the enclosure, and remove the disk-drive, and then connect it as a "slave" disk-drive in a desktop computer, to see if it works at all.

Purchase a new, compatible, disk-drive, and install it in the enclosure, to "revive" your external storage device.

Get the part-number and serial-number from the label on your disk-drive, and access the W.D. web-site, and use "check warranty status", to see if W.D. will replace the Passport, at minimal cost to you.

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